Like a book, if you tear out the table of contents, the body of the book is still there, so you can find out the contents of the book, but if you tear out the body of the book, it's gone forever.ģ. In fact, the data still exists, while erasing the sector is really clearing the data, so it is completely lost. Our general deletion operation just cuts off the pointing of the file, so we can not access the data. The sector is the place where the data is recorded, and it is the lowest level of the data. Can data be retrieved after erasing sectors with DiskGenius? There is also a certain damage to the hard disk, so we generally conduct a regular drive cleaning.Ģ. Due to the hard drive is divided into one cluster, then it is divided into various sectors, the size of the file is different, in the size of the storage system can search the most appropriate, the passage of time in between files and documents can form some fragments, larger files may be stored separately, fragmented, needs more time and find when reading the file, thus slow operating speed. We know that all the applications in the computer and system files are placed in the hard drive, so its reading speed has a direct relationship with the reading speed of the hard drive. The second is to improve hard disk performance. First, the data needs to be completely deleted to avoid the leakage of important data. In view of this problem, here is a simple introduction to you, in fact, there are two main reasons. What's the meaning of erasing external hard drive?
Disk genius to wipe a hard drive free#
To avoid this, experts always recommend using specialized tools like DiskGenius Free Edition to erase the external hard drive without physically damaging the hard drive.ġ. Your data is destroyed, but you must bear the cost of the hard drive. But it has a serious drawback that after physically destroying the external hard drive you will no longer be able to use it to store your data. No matter what you do, it will destroy your hard drive and its data forever. Some people also prefer to conduct electrolysis to destroy the drive or simply shred it into small pieces. If you want to go to extremes, then you can simply hammer the hard drive and break it into pieces. There are many ways to physically destroy an external hard drive. By physically destroying the hard drive, no one can use it to extract your data. This is the simplest but expensive way to delete data completely. If you don't want to use a third-party tool to permanently remove data, then you can choose to physically destroy the drive. Method 2: Erase an external hard drive via physically destroying it
Disk genius to wipe a hard drive software#
The software will begin to erase sectors. If you really want to erase the sector data, click "OK". The software will display the following warning message: Click the "Erase" button to perform the function of erasing sectors. In this dialog box, you can change the partition or disk to erase, specify the range of sectors to erase, and specify the characters to fill the disk. Select external hard drive you want to wipe, and then click the menu item "Tools" > "Erase Sectors", as shown in the figure below. Download and run DiskGenius Free Edition. You can specify the characters to overwrite the disk and the scope to be wiped. The erased data on the external hard drive will not be recovered by any software. Use DiskGenius Free Edition to completely clean the sector data for your external hard drive. Method 1: Erase an external hard drive using DiskGenius Free Edition Here's a look at the correct way to erase data from your external hard drive. The basic principle is to override the data. Therefore, if your information is so important and confidential that you want to permanently delete files, you need to wipe the external hard drive and overwrite data sector by sector. If you use file recovery software, you can get back deleted files easily. How do you permanently erase data so that it cannot be recovered? As we all know, after a file is deleted, the file header information of the file is only deleted from file system, while the real file content still exists in the external hard disk.
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